*{
    margin: 0;
    padding: 0;
    list-style: none;
}
.index{
    height: 100%;
}
.Nav{
    height: .8rem;
    display: flex;
    align-items: center;
    overflow-x: scroll;
    padding: 10px;
    color: rgb(129, 129, 129);
    li{
        display: flex;
        justify-content: center;
        flex-shrink: 0;
        width: 1.2rem;
        line-height: .8rem;
    }
    .active{
        color: #000;
        border-bottom: 2px solid purple;
    }
}
.banner{
    margin-bottom: .5rem;
    img{
        width: 414px;
    }
}
.navigation{
    display: flex;
    flex-wrap: wrap;
    font-size: .25rem;
    li{
        width: 20%;
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: .3rem;
        img{
            width: 1.2rem;
            height: 1.2rem;
            margin-bottom: .2rem;
        }
    }
    
}
.video{
    display: flex;
    flex-wrap: wrap;
    li{
        width: 50%;
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        align-items: center;
        font-size: .28rem;
         margin-bottom: .3rem;
        img{
            text-align: center;
            width: 3rem;
            height: 3rem; 
        }
        span{
            width: 100%;
            text-align: center;
            white-space: nowrap; 
            overflow: hidden;
            text-overflow:ellipsis;
        }
    }
}
.search{
    height: .65rem;
    line-height: .65rem;
    text-indent: .5rem;
    margin-left: .5rem;
    //border: solid 1px #ccc;
    // background: rgb(231, 229, 229);
    background:#fff8;
    border-radius: 15px;
    span{
        color: #999;
    }
}

